1. College of Materials, Chemistry and Chemical Engineering, Chengdu University of Technology, Chengdu, Sichuan, P. R. China
2. State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, College of Environment and Ecology, Chengdu University of Technology, Chengdu, Sichuan, P. R. China
3. Analytical and Testing Center, Sichuan University, Chengdu, Sichuan, P. R. China
4. College of Chemical Engineering, Sichuan University, Chengdu, Sichuan, P. R. China